2019793875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 3899750400

約数和(自身を除く): 1879956525

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 61, 69, 75, 115, 125, 165, 183, 253, 275, 305, 345, 349, 375, 575, 671, 759, 825, 915, 1047, 1265, 1375, 1403, 1525, 1725, 1745, 2013, 2875, 3355, 3795, 3839, 4125, 4209, 4575, 5235, 6325, 7015, 7625, 8027, 8625, 8725, 10065, 11517, 15433, 16775, 18975, 19195, 21045, 21289, 22875, 24081, 26175, 31625, 35075, 40135, 43625, 46299, 50325, 57585, 63867, 77165, 83875, 88297, 94875, 95975, 105225, 106445, 120405, 130875, 175375, 200675, 231495, 234179, 251625, 264891, 287925, 319335, 385825, 441485, 479875, 489647, 526125, 532225, 602025, 702537, 1003375, 1157475, 1170895, 1324455, 1439625, 1468941, 1596675, 1929125, 2207425, 2448235, 2661125, 3010125, 3512685, 5386117, 5787375, 5854475, 6622275, 7344705, 7983375, 11037125, 12241175, 16158351, 17563425, 26930585, 29272375, 33111375, 36723525, 61205875, 80791755, 87817125, 134652925, 183617625, 403958775, 673264625, 2019793875]

約数ペア:

[(1, 2019793875), (3, 673264625), (5, 403958775), (11, 183617625), (15, 134652925), (23, 87817125), (25, 80791755), (33, 61205875), (55, 36723525), (61, 33111375), (69, 29272375), (75, 26930585), (115, 17563425), (125, 16158351), (165, 12241175), (183, 11037125), (253, 7983375), (275, 7344705), (305, 6622275), (345, 5854475), (349, 5787375), (375, 5386117), (575, 3512685), (671, 3010125), (759, 2661125), (825, 2448235), (915, 2207425), (1047, 1929125), (1265, 1596675), (1375, 1468941), (1403, 1439625), (1525, 1324455), (1725, 1170895), (1745, 1157475), (2013, 1003375), (2875, 702537), (3355, 602025), (3795, 532225), (3839, 526125), (4125, 489647), (4209, 479875), (4575, 441485), (5235, 385825), (6325, 319335), (7015, 287925), (7625, 264891), (8027, 251625), (8625, 234179), (8725, 231495), (10065, 200675), (11517, 175375), (15433, 130875), (16775, 120405), (18975, 106445), (19195, 105225), (21045, 95975), (21289, 94875), (22875, 88297), (24081, 83875), (26175, 77165), (31625, 63867), (35075, 57585), (40135, 50325), (43625, 46299)]